Tobago Cays Sea Temperature

Updated Mon 05:53 (America/St_Vincent)

Saint Vincent and the Grenadines · Forecast updated Aug 10, 2026, 05:53 UTC

Current Sea Temperature

28.8°C

83.8°F

Very warm water

Versus this month's average

Close to average

The August average in our archive is 28.8°C (83.9°F).

Recent trend

Warming by 0.3°C

Seven-day average: 28.8°C, versus 28.6°C in the prior seven days.

What to wear

Very warm water

Swimwear is usually enough; a rash guard adds sun protection.

Cold tolerance varies. Wind, session length, sunshine, and exertion also affect comfort; temperature alone does not describe sea conditions.

Sea Surface Temperature Over the Year

In the data collected for Tobago Cays, monthly averages range from about 28.1°C (82.5°F) in June to 28.8°C (83.9°F) in August.

Over the past 30 days, the average sea temperature in Tobago Cays has been 28.5°C.

Month	Min	Average	Max
June	27.9°C / 82.2°F	28.1°C / 82.5°F	28.4°C / 83.1°F
July	28.1°C / 82.6°F	28.4°C / 83.0°F	28.7°C / 83.7°F
August	28.5°C / 83.3°F	28.8°C / 83.9°F	29.1°C / 84.4°F

Profile calculated from 1693 hourly forecast records across 3 monthly periods. This is a growing archive, not a long-term climate normal.

Uninhabited cays with a turtle sanctuary and a horseshoe reef lagoon.

The current sea surface temperature in Tobago Cays is 28.8°C. Over the last 30 days, the average has been 28.5°C.

The warmest monthly average in the Tobago Cays archive is August, at around 28.8°C (83.9°F).

The coldest monthly average in the archive is June, at around 28.1°C (82.5°F).

At 28.8°C, the water is usually comfortable for swimming and snorkeling.

See how today's sea temperature, wave height, wind, and tides combine into a detailed snorkeling score for Tobago Cays.